Seagate Exos 7E8 SATA Product Manual, Rev. B
9
2.2
Formatted capacity
*One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.
2.2.1
LBA mode
When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to
n–1,
where
n
is
the number of
guaranteed sectors as defined above
.
See Section 6.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-bit addressing support
of drives with capacities over 137GB.
2.3
Recording and interface technology
2.4
Start/stop times
ST models
Formatted capacity*
Guaranteed sectors
Bytes per logical sector
ST6000NM0115,
ST6000NM0175,
ST6000NM0275
6TB
11,721,045,168
512
ST4000NM0115,
ST4000NM0225,
ST4000NM0245
4TB
7,814,037,168
ST2000NM0125
2TB
3,907,029,168
ST6000NM0125,
ST6000NM0185,
ST6000NM0265
6TB
1,465,130,646
4096
ST4000NM0055,
ST4000NM0085
4TB
976,754,646
ST2000NM0075,
ST2000NM0105
2TB
488,378,646
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density, KBPI (Kb/in max)
2018
Track density, KTPI (ktracks/in avg)
369
Areal density (Gb/in
2
avg)
732
Spindle speed (RPM) (± 0.2%)
7200
Internal data transfer rate (Mb/s max)
2396
Sustained data transfer rate (MiB/s max)
216
I/O data-transfer rate (MB/s max)
600 (Ultra DMA mode 5)
Power-on to Ready (sec) (typ/max)
23/30
Standby to Ready (sec) (typ/max)
23/30
Ready to spindle stop (sec) (max)
23
